Detailed Questions with Answers and
Rationales 2026-2027 Graded A+
Which of the following is NOT an example of negative feedback
control?
A.
increased heart rate to get blood to the brain, after standing up
quickly and nearly falling down from dizziness
B.
after eating a massive amount of sugar, your body takes
glucose into the cells to lower blood glucose levels
C.
,at delivery, the head of the fetus presses on the cervix, which
sends a stimulus to the brain, which tells the pituitary gland to
release oxytocin, which travels in the blood to the uterus and
causes increased pressure, which sends signals to the brain and
causes the release of more oxytocin
D.
When, at Mount Humphreys on a cold day, the body begins to
shiver to generate heat - ✔✔ANSWER ✔✔-C.
at delivery, the head of the fetus presses on the cervix, which
sends a stimulus to the brain, which tells the pituitary gland to
release oxytocin, which travels in the blood to the uterus and
causes increased pressure, which sends signals to the brain and
causes the release of more oxytocin
When you exercise you generate excess heat and your body
temperature rises. Blood vessels dilate in the skin, warm blood
flows closer to the body surface, and you lose heat. This
exemplifies... - ✔✔ANSWER ✔✔-negative feedback.
Which of the following are examples of positive feedback in the
body? - ✔✔ANSWER ✔✔--forming a blood clot
-giving birth
,Which of the following is most likely to cause disease? -
✔✔ANSWER ✔✔-positive feedback
What is the name of the serous membrane that lines the
organs. - ✔✔ANSWER ✔✔-visceral
Your stomach is located in the - ✔✔ANSWER ✔✔-Left Upper
Quadrant
This body region is referred to as the ___________ region. -
✔✔ANSWER ✔✔-carpal
The study of structure and function of cells is called -
✔✔ANSWER ✔✔-cytology
Negative feedback loops are.. - ✔✔ANSWER ✔✔-homeostatic
Positive feedback helps to restore normal function when one of
the body's physiological variables gets out of balance.
True/False - ✔✔ANSWER ✔✔-False
, During thermoregulation, the brain sends information through
the _______________ pathway to _______________ which
have a negative feedback on body temperature and bring the
system into balance. - ✔✔ANSWER ✔✔-efferent; effectors
Which of the following lists levels of human structure from the
most complex to the simplest? - ✔✔ANSWER ✔✔-organ
system, organ, tissue, cell, organelle
A ________________________ is composed of a granular
cluster of eight proteins called ________________________
with DNA wound around them, plus a short segment of linker
DNA. - ✔✔ANSWER ✔✔-nucleosome; histones
______ are major components of cell membranes, and are said
to be ______. - ✔✔ANSWER ✔✔-Phospholipids;
amphiphilic/amphipathic
DNA never migrates from the nucleus to the cytoplasm to
participate directly in protein synthesis. - ✔✔ANSWER ✔✔-
True
Which of the following words includes all of the other terms?