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Unit One Practice Flashcards | StudBud
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Unit One Practice
Unit One Practice
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Try to complete this without using your notes! Test your knowledge!
Flashcards
44 cards
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Practice quiz
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Questions
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Answers
1
What are the two types of secondary active transport?
Ionport
Uniport
Symport
Antiporter
2
If positive feedbacks persists, disease can occur
True
False
3
The parasagittal plane divides the body into:
Equal left and right halves
Unequal posterior and anterior halves
Unequal left and right halves
Equal top and bottom halves
4
The efferent pathway is taking information from the...
Receptors
Affector organs
Control center
Effector organs
5
All of the following are human organs systems except...
Circulatory
Endocrine
Epidermal
Lymphatic
6
What is the osmolarity of a 3.0 mol/L solution of MgCl2?
6.0 Osm
3.0 Osm
9.0 Osm
12.0 Osm
7
Which of the following is NOT a function of the smooth ER?
Produces ribosomes
Produces lipids
Contains enzymes
Stores Ca2+
8
Which type of diffusion moves ions through voltage gated channels?
Osmosis
Active
Simple
Facilitated
9
Which type of cell junction utilizes keratin?
Gap junctions
Connexons
Tight junctions
Desmosomes
10
Positive feedback ______ or ________ original stimulus
Accelerates or reminds
Slows down or decreases
Speeds up or increases
Stops or halts
11
What is NOT a function of the skeletal system?
Storage of minerals
Protects and supports organs
Framework for skeletal muscle movement
Breakdown of old blood cells
12
A dialysis tube filled with 540 g of C6H12O6 is placed in a beaker of 2 mol/L of glucose. What way does water move?
Out of the tube
Into the tube
Into the beaker
No net movement
13
Which of the following is an example of positive feedback?
Blood glucose
Blood clotting
Blood calcium
Blood temperature
14
Small charged polar molecules and pass through the membrane easily
True
False
15
Rate of diffusion does NOT depend on:
Temperature
pH
Concentration gradient
Permeability
16
You're going to ace this exam :)
False
True
17
Identify the highlighted region
lumbar
sacral
perineal
vertebral
18
Which is the largest structure in hierarchical organization?
Organism
Organ Structure
Tissue
Systemic Organs
19
What surface specialization traps particles and dust?
Epithelial hairs
Microvillus
Flagellum
Cilia
20
The appendix is found in which quadrant?
Right lower
Left lower
Right upper
Left upper
21
Which is NOT true of the plasma membrane?
Separates the ECF from the ICF
Serves as receptors
Provides stiff, structural support
Acts as a gate
22
A patient is dehydrated, what solution would you give them to reduce crenation of RBC’s?
Hypertonic
Hypotonic
Distilled water
Isotonic
23
What is NOT a function of the integumentary system?
Waterproofing
Synthesis of vitamin A
Synthesize vitamin D
Protects deeper tissues
24
A covalent solution with an osmolarity of 3.2 is how many mol/L?
9.6 mol
1.6 mol
3.2 mol
6.4 mol
25
Identify the highlighted region
sural
crural
none of these
fibular
26
A 0.9% NaCl solution is isotonic to RBC’s. Which of these describes the results of RBC’s if placed in a 9% solution?
Nothing
Expand, but not lyse
Lysis
Crenation
27
What cell junction is virtually impermeable?
Protein plaques
Gap junctions
Tight junctions
Desmosomes
28
Which type of cell junction uses connexons?
Corset junctions
Tight junctions
Gap junctions
Desmosomes
29
Which of the following is made up of the protein keratin?
Microtubules
Intermediate filaments
Microfilaments
None of the above
30
How many sodium move out of the cell in reference to Na/K ATPase pump?
1
2
3
5
31
What is the term for swelling/bursting blood cells?
Lysis
Apoptosis
Crenation
Propnation
32
What is the proper function of enzymes?
Breaks down foreign cells
Breaks down chemical messengers
Binds one cell to another
Binds chemical messengers
33
The function of microvilli is to increase surface area
True
False
34
Which of the following are freely permeable through the PM?
Cholesterol
All of the above
Lipids
Oxygen
35
Structure depends on function and vice versa
True
False
36
A dialysis sac contains 720 g/L of glucose. The surrounding solution contains 5 Osm of NaCl. What'll happen to the sac?
No change
Lysis
Crenation
37
Glucose is easily permeable to the cell membrane
True
False
38
Voltage gated ion channels...
Binds to chemical messengers such as hormones
Opens and closes when an ion is present
Open and close at certain times in response to change in voltage
Are constantly open and allow ions to pass through
39
Pinocytosis takes up large particles
True
False
40
Which way would water move if we had 2 mol/L NaCl outside of the cell, and 2 mol/L of glucose inside the cell?
No net movement
Into the cell
No movement
Out of the cell
41
The wrist is _______ to the elbow
Lateral
Anterior
Distal
Inferior
42
What is composed of two or more tissue types?
Organ
Organ system
Organism
Organelles
43
What is the function of cell-identity markers?
Opens and closes to allow flow
Binds one cell to another
What’s that
Distinguishes self from foreign cells
44
Primary lysosomes fuse w/ vesicles to form secondary lysosomes and their purpose is to...
Maintain cell shape
Degrade foreign material
Form H2O2
Exocytose neurotransmitters
