A& P1- Test 1
07/19/2011. Answer all questions. Target score =40
1. Which organ system protects against environmental hazards, helps regulate body temperature, and provides sensory
information? 1
Endocrine system
Digestive system
Integumentary system
Cardiovascular system
2. Which body cavity would a surgeon open to operate on the uterus? 1
Pleural cavity
Mediastinum
Pericardial cavity
Pelvic cavity
3. If an atom has an atomic number of 92 and its atomic weight is 238, how many protons does the atom have?
238
146
92
54
4. The nervous system helps regulate body temperature 1.
True
False
1
5. Put the following levels of organization into the proper order, matching from least complex (1) to most complex (6):
Using the pull-down menus, match each item in the left column to the corresponding item in the right column.
5.1 1
Chemical or molecular level
5.2 2
Cellular level
5.3 3
Tissue level
5.4 4
Organ system level
Organism level
5.5 5
Organ level
5.6 6
6. Of the two general mechanisms involved in homeostatic regulation,
refers to local processes and
extrinsic regulation involves the nervous system or the endocrine system. 1
7. The
is a muscular sheet that divides the ventral body cavity into the thoracic and abdominopelvic cavity. 1
8. What is the difference between histology and cytology? 2
9. Why is it important for healthcare professionals to understand the structure and function of all the systems in the human
body, although they may spend their professional lives working with a single system? 1
10. In which body cavity are the female reproductive organs located? 1
Mediastinum
Pleural cavity
Pelvic cavity
Abdominal cavity
12. The muscles are deep to the skin. 1
True
False
13a. What are the two types of energy? Give an example of each. 3
13b. How does the Law of conversion of energy apply to the above two types of energy: 2
14. Label the following directional terms in the diagram. 4
For each item below, use the pull-down menu to
select the letter that labels the correct part of the
image.
14.1
Superior or
cranial
14.2 Anterior
or ventral
14.3 Inferior
or caudal
14.4
Posterior or
dorsal
14. The three subatomic particles that are stable constituents of atomic structure are: 1
carbon, hydrogen, and oxygen
atoms, molecules, and compounds
cells, tissues, and organs
protons, neutrons, and electrons
15. A solute that dissociates to release hydrogen ions and causes a decrease in pH is: 1
a salt
an acid
a base
water
16. The most important high-energy compound found in the human body is: 1
ATP
DNA
UTP
GTP
17. The chemical makeup of a lipid molecule is different from a carbohydrate in that the lipid molecule: 1
contains equal amounts of carbon and oxygen in its molecular structure
contains twice as much oxygen as the carbohydrate
contains much less oxygen than a carbohydrate having the same number of carbon atoms
the chemical makeup is the same
18. The type of bond that has the most important effects on the properties of water and the shapes of complex molecules is
the: 1
polar covalent bond
hydrogen bond
covalent bond
ionic bond
19. For each item below, use the pull-down menu to select the letter that labels the correct part of the image.
20.1Quarternary structure
20.2 Primary structure
20.3 Secondary structure
20.4 Tertiary structure
4
20. Match each property with the corresponding term: 5
Using the pull-down menus, match each item in the left column to the corresponding item in the right column.
20.1 Means "does not associate well with water"
20.2 Particles dispersed in a medium
20.3 Medium in which particles are dispersed
Hydrophobic
Electrolyte
Solvent
Hydrophilic
20.4 Means "interacts well with water"
Solute
20.5 Dissolves to ions that conduct current