Human Anatomy and Physiology MCQs
Human Anatomy and Physiology MCQs
Human Anatomy and Physiology MCQs extensive collection that cover a wide range of topics to enhance your knowledge. We offer comprehensive MCQ resource to test your Human Anatomy and Physiology knowledge.
1: Where is the abdominal aorta located?
A. Inferior to the aortic hiatus and inferior to the common iliac arteries
B. Superior to the aortic hiatus and superior to the common iliac arteries
C. Superior to the aortic hiatus and inferior to the common iliac arteries
D. Inferior to the aortic hiatus and superior to the common iliac arteries
2: What is the meaning of abduction?
A. Flexion of a limb
B. Rotation of a joint
C. Extension of a limb
D. Movement in the coronal plane that moves a limb laterally away from the body
3: What is the basis of ABO blood group classification?
A. Morphology of red blood cells
B. Different proteins or antigens on the red cell membrane
C. Presence of antibodies in the blood
D. Presence or absence of A and B carbohydrates on the erythrocyte membrane surface
4: What are the two regions contained within the abdominopelvic cavity?
A. Abdominal and Thoracic
B. Abdominal and Pelvic
C. Thoracic and Abdominal
D. Cranial and Thoracic
5: What is the abducens nerve responsible for?
A. Contraction of one of the extraocular muscles
B. Control of facial muscles
C. Sensation to the face
D. Diplopia
6: Hypersecretion of ________ results in increased urinary output and dehydration.
A. Atrial natriuretic peptide (ANP)
B. Diabetes mellitus
C. Parathyroid hormone
D. Both TSH and TRH
7: Marine fishes usually do not survive in freshwater because of _________.
A. Insufficient oxygen
B. Insufficient food
C. The effects of osmotic pressure
D. Insufficient buoyancy
E. The effects of nutrient diffusion
8: Most of the productivity of the ocean occurs in (on) the _____________.
A. Uppermost layer of the ocean called the photic zone
B. Seepage from natural sources
C. Nitrogen and phosphorus
D. The temperature drops
9: Ocean currents that move toward the poles are _____.
A. Warm
B. Cold
C. Warm in the Northern Hemisphere and cold in the Southern Hemisphere
D. Cold in the Northern Hemisphere and warm in the Southern Hemisphere.
10: Simple diffusion is best described as substances __________.
A. Moving against a concentration gradient actively.
B. Moving against a concentration gradient passively.
C. Moving down a concentration gradient passively.
D. Moving down a concentration gradient actively.
11: The ________ cells lie between and around the glomerular capillaries.
A. Mesangial
B. Macula densa
C. Granular
D. Juxtaglomerular
12: The __________ is not found in the elbow.
A. Humeroulnar joint
B. Humeroradial joint
C. Proximal radioulnar joint
D. Distal radioulnar joint
E. Anular ligament.
13: The difference in height between successive high and low tides is called the tidal _____.
A. Cycle
B. Fetch
C. Pull
D. Range
14: The gravitational force exerted on earth by the moon is greatest at the _________________.
A. Equator
B. Barycenter
C. Zenith
D. Poles
E. Nadir
15: Sensory adaptation is apparent when _____.
A. Individuals who live in cold climates have fewer cold receptors in their skin
B. Water above a certain temperature stimulates pain receptors rather than temperature receptors
C. Sitting in a hot room causes you to sweat
D. Your initial dive into a cold swimming pool gives your skin
E. A person is no longer aware of a heavy necklace that was put on earlier in the day
16: The ________ are the long peritubular capillaries that dip into the medulla.
A. Glomerulus
B. Reabsorption
C. Vasa recta
D. Secretion
17: Contraction of mesangial cells results in a ________, which decreases glomerular filtration.
A. Decrease in surface area of capillaries available for filtration
B. Granular cell contraction
C. The sympathetic nervous system
D. Stimulates constriction of both the afferent and efferent arterioles
18: Gas, nutrient, and waste exchange occur between the __________ and the tissues of the body.
A. Capillaries
B. Superior Mesenteric
C. Veins
D. Tunica Media
19: When fibrin levels increase, thrombin production is inhibited. this is an example of a __________.
A. Positive feedback loop
B. Vascular spasm
C. Negative feedback loop
D. Fibrinolysis
20: __________ feedback control reduces variations away from a desired physiological state.
A. Positive
B. Depressive
C. Neutral
D. Negative
21: The large intestine is puckered into sacs called ______.
A. Ileocecal junction
B. Haustra
C. Teniae coli
D. None of these
22: Trusses and arches, which help form an internal scaffolding network, are found in __________.
A. Bone marrow
B. Children only
C. Adults only
D. Trabecular bone.
23: ________ are responsible for the detection of mean arterial pressure.
A. Venous baroreceptors
B. Arterial baroreceptors
C. Aortic chemoreceptors
D. Thermoreceptors
24: A man who has had a successful orchiectomy may still be able to have children because ______.
A. The remaining testis is able, by itself, to produce a sufficient amount of testosterone
B. The seminiferous tubules of the remaining testis are still active
C. The epididymis posterior to the remaining testis is still functional
D. All of the listed responses are correct
25: A mugger steals your wallet causing all of the following to happen except ________.
A. Increased metabolic rate
B. Increased rate and force of heartbeat
C. Increased glucose uptake to the liver from blood
D. Inability to read close-up print
26: A normal fev1% was seen with _______.
A. Acute asthma attack plus inhaler
B. Acute asthma attack
C. Emphysema
D. Emphysema, acute asthma attack and acute asthma attack plus inhaler
27: A patent ductus arteriosus permits ______.
A. The deoxygenated blood pumped out by the left ventricle to quickly flow into the pulmonary trunk
B. Blood to flow from the aorta into the pulmonary trunk
C. Blood to enter the pulmonary trunk from the aorta because the higher blood pressure in the pulmonary trunk forces blood to flow into the pulmonary trunk
D. All of the listed responses are correct
28: A patient who has been both vomiting and having diarrhea is losing ________ from his body.
A. Sodium
B. Water
C. Bicarbonate Ion
D. Hydrogen ion
E. All of these
29: A pott's fracture could result in damage to all of the following except ____________.
A. Tibial condyle
B. Epiphyseal plate
C. Calcitonin
D. Calcitriol
30: A primary spermatocyte matures into ________ spermatids having ________ chromosomes.
A. Millions of; 46
B. Four; 23
C. One; 46
D. Millions of; 23
31: A reflex that leads to secretion of saliva is a(n) __________ reflex.
A. Visceral
B. Extensor
C. Polysynaptic
D. Reinforcement
32: A result of homeostatic imbalance could be __________.
A. Breathing rate increasing as a result of exercise
B. Shivering as a result of being cold
C. Illness
D. Heart rate increasing as a result of exercise
E. Sweating as a result of being hot
33: A third-degree burn is also described as ________.
A. Superficial
B. Partial thickness
C. Full thickness
D. None of the above
34: Adjustment to close-range vision involves all of the following except __________.
A. Activity of the extrinsic eye muscles
B. Change in the curvature of the lens
C. Constriction of the pupil
D. Ciliary muscle activity
E. Light adaptation
35: After entering the right atrium, the furthest a red blood cell can travel is the _________.
A. Right ventricle
B. Pulmonary trunk
C. Superior vena cava
D. None of the above
36: After fluid passes through the entire proximal tubule, the fluid will enter the ________.
A. Loop of Henle
B. Distal tubule
C. Connecting tubule
D. Reabsorbtion
37: An action potential is self-regenerating because __________.
A. The myelin sheath increases the speed of action potential conduction from the initial segment to the axon terminals
B. Depolarizing currents established by the influx of Na+ flow down the axon and trigger an action potential at the next segment
C. The inactivation gates of voltage-gated Na+ channels close in the node, or segment, that has just fired an action potential
D. None of these
38: An adrenergic drug that worked in opposition to epinephrine would _______.
A. Be agonist and increase heart rate
B. Increase heart rate
C. Be antagonist and decrease heart rate
D. Decrease heart rate
39: An embryonic stem cell undergoes _____ to become a neuron.
A. Catabolism
B. Growth
C. Reproduction
D. Anabolism
E. Differentiation
40: Congenital sensorineural deafness most commonly involves damage to ______.
A. The auricles
B. The cochlear hair cells
C. The auditory ossicles
D. All of the listed responses are correct
41: For the frog heart, temperature and heart rate are _______.
A. Independent
B. Indirectly proportional
C. Controlled by homeostasis
D. Directly proportional
42: Under normal conditions, the forced expiratory volume is normally _______.
A. 75-85% of the vital capacity
B. 50-60% of the total lung capacity
C. 75-85% of the total lung capacity
D. 50-60% of the vital capacity
43: A nurse monitors the patient for _____ when rapid onset of malignant hypertension results.
A. Atherosclerosis
B. Encephalopathy
C. Pulmonary edema
D. Acute renal failure
44: Formed elements of the blood account for approximately ___% of the total blood volume.
A. 25
B. 35
C. 45
D. 55
45: Exercise increases ____________ production which can be counteracted by _____________ in the body.
A. Lower, Higher
B. The demand and intensity (aerobic state)
C. Higher; lower
D. Free radical; antioxidants
46: Human vision is limited to wavelengths ranging from __________ nm.
A. 4 to 70
B. 40 to 700
C. 400 to 700
D. 400 to 7,000
E. 4,000 to 7,000
47: Hyperventilation can result in _______.
A. Too much oxygen in the blood
B. Respiratory acidosis
C. Too much carbon dioxide in the blood
D. Too little carbon dioxide in the blood
48: If pain continues for a long time, __________.
A. NMDA receptors are suppressed
B. Pain tolerance will develop
C. Hyperalgesia develops
D. None of the above
49: In ________, one neuron synapses on several postsynaptic neurons.
A. Divergence
B. Intercommunication
C. A plexus
D. A pool
50: Hypertension is commonly considered to be a chronic resting blood pressure higher than __________.
A. 180/90
B. 130/60
C. 120/75
D. 140/90
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Human Anatomy and Physiology MCQs
