IVYTECH APHY 102 COMPREHENSIVE
STUDY GUIDE 2026 FULL QUESTIONS AND
SOLUTIONS GRADED A+
◍ false.
Answer: if the GFR is too low, needed substances may pass so quickly
through the renal tubules that they are not absorbed and instead are lost in
the urine
◍ Of the different sources of genetic variability, which one could be defined as
permanent, transmissible changes to the DNA coding sequence often caused
by outside environmental factors?.
Answer: mutation
◍ In an ECG pattern, the P wave is caused by.
Answer: depolarization of atrial muscle fibers.
◍ Large clusters of lymph nodes are NOT found in the ________ region..
Answer: popliteal
◍ Lymphatic capillaries are thin-walled, closed-ended tubes.
Answer: True
◍ The red blood cells of type AB blood have on their surfaces.
Answer: antigens A and B
◍ Capillary walls consist of a single layer of epithelial cells and they exchange
substances in the blood for substances in the tissue fluid surrounding body
cells..
Answer: True
◍ transporting respiratory gases.
Answer: Which of the following is NOT a function of the lymphatic system?
,◍ The constancy of the chromosome number from one cell generation to the
next is maintained through ________..
Answer: meiosis
◍ A red blood cell contains a large nucleus; it is thicker near the center and
thin around the rim of the cell..
Answer: False
◍ Two alleles expressing exactly the same information for a trait are described
as ________..
Answer: homozygous
◍ Which of the following is correctly matched?.
Answer: zona reticularis — gonadocorticoids
◍ In clonal selection of B cells, which substance is responsible for determining
which cells will eventually become cloned?.
Answer: antigen
◍ Which of the following is true of testosterone?.
Answer: Testosterone is produced by interstitial endocrine cells.
◍ The corpus luteum secretes progesterone only..
Answer: false
◍ Why doesn't semen enter the urinary bladder during ejaculation?.
Answer: The smooth muscle sphincter at the base of the urinary bladder
closes.
◍ Which of the following refers to the transfer of sperm and harvested oocytes
together into the woman's uterine tubes in the hopes that fertilization will
take place there?.
Answer: gamete intrafallopian transfer (GIFT)
◍ compared to the nervous system, the endocrine system.
Answer: may have a longer lasting effect
◍ The embryonic period lasts until the end of the eighth week..
, Answer: True
◍ A hormone is a secreted molecule that is carried in the bloodstream to where
it acts on target cells that bear specific receptors for that hormone..
Answer: True
◍ Select the correct statement about the special fetal blood vessels..
Answer: The umbilical vein becomes the ligamentum teres.
◍ Kidney perfusion will increase..
Answer: If blood pressure drops very low (MAP is below 80mmHg) renin
enzyme will be secreted by granular cells. Which of the following is NOT
likely to occur?
◍ Which of the following events does NOT occur during the first 8 weeks of
development?.
Answer: myelination of the spinal cord
◍ The normal pacemaker of the heart is the.
Answer: sinoatrial node
◍ Many hormones synthesized in the gastrointestinal tract are chemically
identical to brain neurotransmitters..
Answer: true
◍ Which of the following are agranulocytes?.
Answer: monocytes
◍ The celiac artery provides blood to the.
Answer: liver and spleen
◍ As a result of the allergen-antibody reaction, mast cells release histamine.
Answer: True
◍ The thymus gland secretes hormones called _________________ that
_________________..
Answer: thymosins; control production and differentiation of white blood
cells.
STUDY GUIDE 2026 FULL QUESTIONS AND
SOLUTIONS GRADED A+
◍ false.
Answer: if the GFR is too low, needed substances may pass so quickly
through the renal tubules that they are not absorbed and instead are lost in
the urine
◍ Of the different sources of genetic variability, which one could be defined as
permanent, transmissible changes to the DNA coding sequence often caused
by outside environmental factors?.
Answer: mutation
◍ In an ECG pattern, the P wave is caused by.
Answer: depolarization of atrial muscle fibers.
◍ Large clusters of lymph nodes are NOT found in the ________ region..
Answer: popliteal
◍ Lymphatic capillaries are thin-walled, closed-ended tubes.
Answer: True
◍ The red blood cells of type AB blood have on their surfaces.
Answer: antigens A and B
◍ Capillary walls consist of a single layer of epithelial cells and they exchange
substances in the blood for substances in the tissue fluid surrounding body
cells..
Answer: True
◍ transporting respiratory gases.
Answer: Which of the following is NOT a function of the lymphatic system?
,◍ The constancy of the chromosome number from one cell generation to the
next is maintained through ________..
Answer: meiosis
◍ A red blood cell contains a large nucleus; it is thicker near the center and
thin around the rim of the cell..
Answer: False
◍ Two alleles expressing exactly the same information for a trait are described
as ________..
Answer: homozygous
◍ Which of the following is correctly matched?.
Answer: zona reticularis — gonadocorticoids
◍ In clonal selection of B cells, which substance is responsible for determining
which cells will eventually become cloned?.
Answer: antigen
◍ Which of the following is true of testosterone?.
Answer: Testosterone is produced by interstitial endocrine cells.
◍ The corpus luteum secretes progesterone only..
Answer: false
◍ Why doesn't semen enter the urinary bladder during ejaculation?.
Answer: The smooth muscle sphincter at the base of the urinary bladder
closes.
◍ Which of the following refers to the transfer of sperm and harvested oocytes
together into the woman's uterine tubes in the hopes that fertilization will
take place there?.
Answer: gamete intrafallopian transfer (GIFT)
◍ compared to the nervous system, the endocrine system.
Answer: may have a longer lasting effect
◍ The embryonic period lasts until the end of the eighth week..
, Answer: True
◍ A hormone is a secreted molecule that is carried in the bloodstream to where
it acts on target cells that bear specific receptors for that hormone..
Answer: True
◍ Select the correct statement about the special fetal blood vessels..
Answer: The umbilical vein becomes the ligamentum teres.
◍ Kidney perfusion will increase..
Answer: If blood pressure drops very low (MAP is below 80mmHg) renin
enzyme will be secreted by granular cells. Which of the following is NOT
likely to occur?
◍ Which of the following events does NOT occur during the first 8 weeks of
development?.
Answer: myelination of the spinal cord
◍ The normal pacemaker of the heart is the.
Answer: sinoatrial node
◍ Many hormones synthesized in the gastrointestinal tract are chemically
identical to brain neurotransmitters..
Answer: true
◍ Which of the following are agranulocytes?.
Answer: monocytes
◍ The celiac artery provides blood to the.
Answer: liver and spleen
◍ As a result of the allergen-antibody reaction, mast cells release histamine.
Answer: True
◍ The thymus gland secretes hormones called _________________ that
_________________..
Answer: thymosins; control production and differentiation of white blood
cells.
