A&P Unit 1 Practice Questions &
Answers, 100% accurate. Verified.
Positive feedback is the most common mechanism for restoration of normal function when one of the
body's physiological variables gets out of balance.
...
A&P Unit 1 Practice Questions &
Answers, 100% accurate. Verified.
Positive feedback is the most common mechanism for restoration of normal function when one of the
body's physiological variables gets out of balance. True or False - ✔✔-False
Cells contain smaller structures called ________ that carry out their metabolic functions. - ✔✔-
Organelles
Which of the following is a functional characteristic of all organisms?
- Responsiveness
-Growth
-All of these
-Metabolism
-Movement - ✔✔-All of these
When you exercise you generate excess heat and your body temperature rises. Blood vessels dilate to
the skin, warm blood flows closer to the body surface, and you lose heat. This process is called - ✔✔-
Negative feedback
The field of physiology studies the __________ by which the body maintains homeostasis. - ✔✔-
Mechanisms
In a dynamic physiological equilibrium, conditions fluctuate slightly around an average value called the
___. - ✔✔-Set point
Self-correcting mechanisms in physiology are called __________ loops. - ✔✔-Negative feedback
Which of the following correctly lists the levels of human structural complexity from the smallest to the
largest structural units? - ✔✔-Organelles, cells, tissues, organs, organ systems
Studying anatomy by touch, for example during a physical examination, is called - ✔✔-Palpation
_______________ is a process in which a physiological change triggers further change in the same
direction. - ✔✔-Positive feedback
Suppose you have been doing very heavy yard work on a hot day and sweating profusely. You become
very thirsty, so you drink a tall glass of lemonade. This describes part of a - ✔✔-Negative feedback loop
There are more organelles than cells in the body. True or False - ✔✔-True
Dynamic equilibrium means that - ✔✔-Given variables in the body fluctuate slightly around a given set
point.
________________ is maintaining relatively stable internal conditions. - ✔✔-Homeostasis
Failure of homeostatic regulation in the body results in - ✔✔-Disease
Which of the following is an example of a positive feedback circuit? - ✔✔-Childbirth
A/an ________ is the simplest body structure to be composed of two or more types of tissue. - ✔✔-
Organ
Gross anatomy is - ✔✔-What is visible to the naked eye.
The study of structure of the human body would be best described as ___________. - ✔✔-Anatomy
Anatomy is - ✔✔-The study of the structure and form of the body.
It would be possible to see both eyes in one coronal section of the head. True or False - ✔✔-True
The manus is more commonly known as the _______, and the pes is more commonly known as the
______ - ✔✔-Hand;foot
The plane that passes vertically through the body or an organ and divides it into anterior and posterior
portions is called the _________ plane - ✔✔-Coronal
The ______ region consists of the head, neck, and trunk. - ✔✔-Axial
The hollow area found within an organ such as the inside of the stomach or a blood vessel is known as
the - ✔✔-Lumen
The wrist is ________ to the elbow. - ✔✔-Distal
The peritoneum lines the lumen of the stomach and intestines. True or False - ✔✔-False
The superficial layer of the pericardium is called the __________ pericardium - ✔✔-Parietal
The dorsal body cavity is lined by _________, while the regions of the ventral body cavity are lined by
_________. - ✔✔-The meninges; serous membranes
Seamus is just starting his first year in college, and he's been thinking about going into the medical field--
maybe nursing. To find out what nursing is really like, Seamus signed up for a "shadow a nurse" day at
the local hospital. He's scheduled to follow a nurse in the emergency department to see what the job
involves.Everything is rather boring and quiet for the first hour; then suddenly an ambulance pulls into
the bay and a paramedic rushes a patient in on a stretcher. The paramedic gives a quick patient report,
and Seamus hears, "Stab would to the upper right quadrant. He has additional cuts to his brachial region
and a large contusion on his right leg just proximal to the knee."Seamus feels like he's listening to a
foreign language. Help him interpret the medical report.What organ is most likely to have been
damaged by the attack? - ✔✔-His liver
The ________ is distal to the _________. - ✔✔-Wrist;elbow
In terms of nearness to the trunk, the antebrachium is proximal to the ________ region. - ✔✔-Carpal
The plane that passes vertically through the body or an organ and divides it into anterior and posterior
portions is called the __________ plane. - ✔✔-Frontal
Which of the following statements is false concerning the ventral body cavity? - ✔✔-Each smaller cavity
within the ventral body cavity is lined by meninges.
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