Test Prep PCAT Pharmacy College Admission Test Online Training
Test Prep PCAT Online Training
The questions for PCAT were last updated at Nov 23,2024.
- Exam Code: PCAT
- Exam Name: Pharmacy College Admission Test
- Certification Provider: Test Prep
- Latest update: Nov 23,2024
Question #21
Blood flows from the mitral valve to the:
- A . left atrium
- B . aorta
- C . right ventricle
- D . left ventricle
Correct Answer: D
D
Explanation:
The left atrium connects to the left ventricle by way of the mitral valve. The left ventricle connects to the aorta by way of the aortic valve. Blood flows from the pulmonary veins into the left atrium and through the mitral valve (bicuspid valve), to the left ventricle then out through the aorta.
D
Explanation:
The left atrium connects to the left ventricle by way of the mitral valve. The left ventricle connects to the aorta by way of the aortic valve. Blood flows from the pulmonary veins into the left atrium and through the mitral valve (bicuspid valve), to the left ventricle then out through the aorta.
Question #22
A female who is a carrier of an X-linked recessive disability produces an offspring with a normal male.
What is the chance that the male offspring will have the disability?
- A . 0%
- B . 25%
- C . 50%
- D . 100%
Correct Answer: C
C
Explanation:
The situation presented is an Xx (female) crossed with an XY (male). Because the offspring is a male (XY), the X-chromosome must come from the mother. Consequently, there is a 50% chance of receiving the recessive x-chromosome.
C
Explanation:
The situation presented is an Xx (female) crossed with an XY (male). Because the offspring is a male (XY), the X-chromosome must come from the mother. Consequently, there is a 50% chance of receiving the recessive x-chromosome.
Question #23
Energy for ATP synthesis is produced primarily by:
- A . NADH
- B . proton gradient
- C . ATP synthase
- D . Na+
Correct Answer: B
B
Explanation:
Proton pumps located along the inner mitochondrial membrane enable the passage of H+ across a concentration gradient. These protons pass through ATP synthase in which an axel rotates to combine phosphate with ADP to form ATP. Without the proton gradient, ATP synthase could not create ATP.
B
Explanation:
Proton pumps located along the inner mitochondrial membrane enable the passage of H+ across a concentration gradient. These protons pass through ATP synthase in which an axel rotates to combine phosphate with ADP to form ATP. Without the proton gradient, ATP synthase could not create ATP.
Question #24
Which of the listed antibodies is released in response to an allergen?
- A . IgA
- B . IgE
- C . IgG
- D . IgM
Correct Answer: B
B
Explanation:
IgE is the antibody primarily involved in allergic reactions.
B
Explanation:
IgE is the antibody primarily involved in allergic reactions.
Question #25
A cross between red bean (RR) and a blue bean (UU) yields all purple beans.
How many purple beans would result from a cross between two purple beans?
- A . 0.25 of the offspring
- B . 0.50 of the offspring
- C . 0.75 of the offspring
- D . all of the offspring
Correct Answer: B
B
Explanation:
Begin by crossing a red bean with a blue bean: RR × UU gives all RU, also known as incomplete dominance. Next cross a purple bean with a purple bean: RU × RU yields 1 RR, 2 RU and 1 UU. Two out of the four offspring are purple beans. This is the same as 0.50, or 50%.
B
Explanation:
Begin by crossing a red bean with a blue bean: RR × UU gives all RU, also known as incomplete dominance. Next cross a purple bean with a purple bean: RU × RU yields 1 RR, 2 RU and 1 UU. Two out of the four offspring are purple beans. This is the same as 0.50, or 50%.
Question #26
The release of ____ into the blood would increase the heart rate.
- A . rennin
- B . ANP
- C . norepinephrine
- D . insulin
Correct Answer: C
C
Explanation:
Norepinephrine (as well as epinephrine), released by the adrenal glands, stimulates the sympathetic nervous system. A consequence of norepinephrine and epinephrine on the heart is an increase in the heart rate. The sympathetic nervous system is linked to the fight-or-flight response.
C
Explanation:
Norepinephrine (as well as epinephrine), released by the adrenal glands, stimulates the sympathetic nervous system. A consequence of norepinephrine and epinephrine on the heart is an increase in the heart rate. The sympathetic nervous system is linked to the fight-or-flight response.
Question #27
Which of the following is NOT the result of a viral infection?
- A . genital warts
- B . Syphilis
- C . AIDS
- D . the common cold
Correct Answer: B
B
Explanation:
Genital warts are caused by the Human papillomavirus. AIDS is a consequence of the Human Immunodeficiency Virus. The common cold is also a viral infectious disease. Syphilis, however, is the result of a bacterial infection.
B
Explanation:
Genital warts are caused by the Human papillomavirus. AIDS is a consequence of the Human Immunodeficiency Virus. The common cold is also a viral infectious disease. Syphilis, however, is the result of a bacterial infection.
Question #28
The rhythm of the heart is set by the:
- A . AV node
- B . SA node
- C . purkinje fibers
- D . Heart valves
Correct Answer: B
B
Explanation:
The sinoatrial node (SA) is the main pacemaker of the heart, often initiating cardiac contraction due to generating impulses faster than other pacemaker areas. The SA is referred to as the primary pacemaker.
B
Explanation:
The sinoatrial node (SA) is the main pacemaker of the heart, often initiating cardiac contraction due to generating impulses faster than other pacemaker areas. The SA is referred to as the primary pacemaker.
Question #29
The heart will automatically stop if the SA node stops working:
True or False?
- A . True
- B . False
Correct Answer: B
B
Explanation:
Although the SA node is the primary pacemaker of the heart, in the absence of its operation, the AV node will take over at a slower pace.
B
Explanation:
Although the SA node is the primary pacemaker of the heart, in the absence of its operation, the AV node will take over at a slower pace.
Question #30
Which of the following lacks mitochondria?
- A . fungi
- B . protozoan
- C . bacteria
- D . amoeba
Correct Answer: C
C
Explanation:
Unlike eukaryotes, prokaryotes do not possess organelles (excluding the ribosomes). Bacteria are categorized as prokaryotic and consequently do not possess a mitochondria.
C
Explanation:
Unlike eukaryotes, prokaryotes do not possess organelles (excluding the ribosomes). Bacteria are categorized as prokaryotic and consequently do not possess a mitochondria.
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