Bio 201 Anatomy & Physiology Final Exam Questions Correct Answers Current Update (Verified A+ Pass)
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Bio 201 Anatomy & Physiology
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Bio 201 Anatomy & Physiology
Bio 201 Anatomy & Physiology Final Exam Questions Correct Answers Current Update (Verified A+ Pass)
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... - ...
Bio 201 Anatomy & Physiology Final
Exam Questions Correct Answers
Current Update (Verified A+ Pass)
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... - Answers -✔✔ negative feedback.
Which of the following are examples of positive feedback in the body? - Answers -✔✔ -
forming a blood clot
-giving birth
Which of the following is most likely to cause disease? - Answers -✔✔ positive
feedback
What is the name of the serous membrane that lines the organs. - Answers -✔✔
visceral
Your stomach is located in the - Answers -✔✔ Left Upper Quadrant
This body region is referred to as the ___________ region. - Answers -✔✔ carpal
The study of structure and function of cells is called - Answers -✔✔ cytology
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 -
Answers -✔✔ 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
Positive feedback helps to restore normal function when one of the body's physiological
variables gets out of balance. True/False - Answers -✔✔ 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. - Answers -✔✔ efferent; effectors
Which of the following lists levels of human structure from the most complex to the
simplest? - Answers -✔✔ 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. - Answers -✔✔ nucleosome; histones
______ are major components of cell membranes, and are said to be ______. -
Answers -✔✔ Phospholipids; amphiphilic/amphipathic
DNA never migrates from the nucleus to the cytoplasm to participate directly in protein
synthesis. - Answers -✔✔ True
Which of the following words includes all of the other terms?
A.
reductive reactions
B.
catabolism
C.
oxidative reactions
D.
anabolism
E.
metabolism - Answers -✔✔ metabolism
Match the correct letter with the correct structure or function. - Answers -✔✔ A.
Peripheral Protein
B. Carrier Mediated Facilitated Transport
C. Cell identity marker
D. Regulates membrane fluidity
E. Integral protein
,Any chemical reaction that removes electrons from an atom is called - Answers -✔✔
oxidation
________________________ is the DNA base sequence complementary to the strand
TGCCAT. - Answers -✔✔ ACGGTA
All of the following are directly involved in translation except - Answers -✔✔ DNA
You were able to radioactively tag and thereby trace an amino acid that is used to make
insulin, a hormone that will be exported out of the cell. The pathway of the tagged amino
acid would be - Answers -✔✔ rough ER → Golgi complex → Golgi vesicle →
extracellular fluid.
Copying genetic information from DNA into RNA is called
________________________, whereas using the information contained in mRNA to
make a polypeptide is called ________________________. - Answers -✔✔
transcription; translation
_____ are membrane proteins that bind to chemical signals by which cells
communicate. - Answers -✔✔ Receptors
________________ synthesize(s) carbohydrates and put(s) finishing touches on
proteins synthesized at ____________. - Answers -✔✔ The Golgi complex; rough ER
The Na +-K + pump has the following functions except - Answers -✔✔ transport of Na+
into the cell and K+ out of the cell.
Microvilli and cilia differ in their function but have the same internal structure. - Answers
-✔✔ False
The human body can be organized into six categories. From largest to smallest, these
categories are: - Answers -✔✔ 1. Organism
2. Organ system
3.Organ
4. Tissue
5. Cellular
6. Chemical
Cells lining the small intestine are specialized for absorption of nutrients. Their plasma
membrane has - Answers -✔✔ microvilli
______ act like identification tags in the glycocalyx that enable the body to distinguish
its own cells from foreign and diseased cells. - Answers -✔✔ Glycoproteins
, The sodium-glucose transport protein (SGLT) is one example of an active transport
process involving a uniport carrier. - Answers -✔✔ False
______ provide motility to a cell, ______ act as sensory "antenna" in many cells, and
____________ increase a cell's surface area. - Answers -✔✔ Flagella; cilia; microvilli
The nucleus is the largest organelle in most cells. - Answers -✔✔ True
Primary lysosomes fuse with vacuoles to form secondary lysosomes and their purpose
is to ________. - Answers -✔✔ degrade foreign material and cellular debris.
The sodium-potassium (Na +-K +) pump transports both sodium and potassium
__________ their concentration gradients in a process called ____________. - Answers
-✔✔ up; active transport
______ play an important role in cell division, and they are made of __________. -
Answers -✔✔ Centrioles; microtubules
Homeostasis - Answers -✔✔ depends on the interaction of receptors, integrating
centers, and effectors
Positive feedback helps to restore normal function when one of the body's physiological
variables gets out of balance. - Answers -✔✔ False
------------------- is a homeostatic mechanism in which the response of the system acts in
opposite direction to the stimulus. - Answers -✔✔ Negative Feedback
Following a workout at Crossfit, you are ravenous and quickly devour an enchilada from
El Capitan Mexican Grill. This quick intake of carbs causes your blood glucose levels to
---------------, which in turn causes your pancreas to release ---------------, which helps to
bring blood glucose levels back to normal. - Answers -✔✔ increase; insulin
We live in an ever-changing environment outside of our body, yet our internal conditions
remain relatively stable. This is called - Answers -✔✔ homeostasis
Histology is the study of structures that can be observed without a magnifying lens. -
Answers -✔✔ False
Cells were first named by microscopist Robert Hooke. - Answers -✔✔ True
_________________ are the simplest body structures considered alive. - Answers -
✔✔ Cells
Transcription occurs in the _________________, but most translation occurs in the
_____________. - Answers -✔✔ nucleus; cytoplasm
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