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Midwifery A&P > A&P > Flashcards

A&P Flashcards

1
Q

What is the function of the nucleus in a cell?
a) Producing ATP
b) Breaking down toxins
c) Control centre of the cell
d) Synthesizing lipids

A

Control centre

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2
Q

Which organelle is the site of aerobic respiration?
and produces ATP?
a) Golgi body
b) Ribosomes
c) Mitochondria
d) Smooth endoplasmic reticulum

A

Mitochondria

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3
Q

What are 2 functions of the Golgi body?
a) Synthesising carbohydrates
b) Modifying and exporting proteins
c) Producing ATP
d) Breaking down pathogens

A

Modifying and exporting proteins, synthesising
carbs

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4
Q

What organelle contains digestive enzymes and
breaks down pathogens?
a) Lysosomes
b) Ribosomes
c) Nucleus
d) Cell membrane

A

Lysosome

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5
Q

What provides structural support and maintains
the shape of the cell?
a) Ribosomes
b) Golgi body
c) Cytoskeleton
d) Smooth endoplasmic reticulum

A

Cytoskeleton

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6
Q

What forms the mitotic spindle during cell
division?
a) Centrioles
b) Golgi body
c) Ribosomes
d) Nucleolus

A

Centrioles

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7
Q

Which cellular structure moves materials across
the cell surface?
a) Ribosomes
b) Centrioles
c) Cilia
d) Flagella

A

Cilia

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8
Q

What is the primary function of chloroplasts in
plant cells?
a) Synthesizing carbohydrates
b) Producing ATP
c) Site of photosynthesis
d) Breaking down toxins

A

Site of photosynthesis

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9
Q

Which organelle stores water and nutrients in
plant cells?
a) Chloroplasts
b) Golgi body
c) Vacuole
d) Cell membrane

A

Vacuole

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10
Q

What is the primary component of the cell wall in
plant cells?
a) Collagen
b) Cholesterol
c) Cellulose
d) Keratin

A

Cellulose

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11
Q

What does the cytoplasm in the cell contain?
a) Producing ATP
b) Breaking down toxins
c) Control centre of the cell
d) Jelly-like fluid and dissolved solutes

A

Jelly-like fluid and dissolves substances

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12
Q

What type of molecules are ribosomes
composed of?
a) Proteins and RNA
b) Lipids and carbohydrates
c) DNA and RNA
d) Nucleotides

A

Proteins and RNA

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13
Q

Which organelle synthesizes and transports
lipids, cholesterol, and hormones?
a) Golgi body
b) Smooth endoplasmic reticulum
c) Rough endoplasmic reticulum
d) Mitochondria

A

Smooth endoplasmic reticulum

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14
Q

What is the function of lysosomes in a cell?
a) Producing ATP
b) Storing water and nutrients
c) Breaking down pathogens and cellular debris
d) Synthesizing proteins

A

Breaking down pathogens and debris

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15
Q

Which organelles are responsible for synthesizing
proteins?
a) Smooth endoplasmic reticulum
b) Rough endoplasmic reticulum
c) Golgi body
d) Ribosomes

A

Ribosomes and RER

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16
Q

What is the function of the cytoskeleton in a cell?
a) Producing ATP
b) Providing structural support
c) Control centre of the cell
d) Breaking down toxins

A

Providing structural support

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17
Q

Which type of muscle tissue is striated and under
voluntary control?
a) Smooth muscle
b) Cardiac muscle
c) Skeletal muscle
d) None of the above

A

Skeletal muscle

18
Q

What organelle is responsible for synthesizing
ATP through aerobic respiration?
a) Nucleus
b) Mitochondria
c) Golgi body
d) Ribosomes

A

Mitochondria

19
Q

What is the function of the smooth endoplasmic
reticulum?
a) Synthesizing and transporting lipids, cholesterol,
and hormones
b) Modifying and exporting proteins
c) Producing ATP
d) Breaking down pathogens

A

Synthesizing and transporting

20
Q

What are the hair-like protrusions from the cell membrane that are used for movement?
a) Ribosomes
b) Flagella
c) Centrioles
d) Vacuoles

A

Flagella

21
Q

Which organelle is responsible for folding
polypeptides to their secondary and tertiary
structures?
a) Smooth endoplasmic reticulum
b) Rough endoplasmic reticulum
c) Golgi body
d) Nucleus

A

Rough endoplasmic reticulum

22
Q

What is the function of the centrioles?
a) Producing ATP
b) Synthesizing proteins
c) Cell division and forming the mitotic spindle
d) Breaking down toxins

A

Cell division and form the mitotic spindle

23
Q

Which type of muscle tissue is found in the
heart?
a) Smooth muscle
b) Cardiac muscle
c) Skeletal muscle
d) None of the above

A

Cardiac muscle

24
Q

What is the function of the cytoskeleton?
a) Producing ATP
b) Providing structural support
c) Breaking down pathogens
d) Modifying and exporting proteins

A
  1. Providing structural support
24
Q

Which organelle is responsible for storing water
and nutrients?
a) Lysosomes
b) Mitochondria
c) Vacuoles
d) Golgi body

A

Vacuoles

25
Q

In which process do molecules move from an area
of high concentration to low concentration without
requiring energy?
a) Active transport
b) Osmosis
c) Diffusion
d) Endocytosis

A

Diffusion

26
Q

Which structure allows molecules to diffuse
directly through it?
a) Nucleus
b) Golgi body
c) Cell membrane
d) Mitochondria

A

Cell membrane

27
Q

Which type of molecules are most likely to
undergo diffusion?
a) Large, polar molecules
b) Large, non-polar molecules
c) Small, lipid-soluble, non-polar molecules
d) Small, water-soluble, polar molecules

A

Small, lipid-soluble, non-polar molecules

28
Q

Which factors affect the rate of diffusion?
a) Presence of carrier proteins
b) pH of the environment
c) Surface area, temperature, and concentration
gradient
d) Presence of lysosomes

A

Surface area, temperature, and concentration
gradient

29
Q

Which process requires energy and moves
molecules against their concentration gradient?
a) Osmosis
b) Endocytosis
c) Active transport
d) Facilitated diffusion

A

Active transport

29
Q

Through what structure does active transport
typically occur?
a) nuclear pores
b) Smooth endoplasmic reticulum
c) Golgi vesicles
d) Carrier proteins

A

Carrier proteins

30
Q

What type of molecules are primarily transported through active transport?
a) Small, lipid-soluble, non-polar molecules
b) Large, water-soluble, polar molecules
c) Small, non-polar molecules
d) Large, lipid-soluble, non-polar molecules

A

Large, water-soluble, polar molecules

31
Q

Which direction does water move during osmosis?
a) From low-water potential to high-water potential
b) From high-water potential to low-water potential
c) Against the concentration gradient

A

From high-water potential to low-water potential

32
Q

What property of the membrane allows osmosis
to occur?
a) Permeability to all solutes
b) Impermeability to water
c) Selective permeability
d) Complete permeability

A

Selective permeability

33
Q

which process does water move across a semipermeable membrane without requiring energy?
a) Facilitated diffusion
b) Endocytosis
c) Osmosis
d) Exocytosis

A

Osmosis

34
Q
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Q
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Q
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36
Q
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37
Q
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38
Q
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39
Q
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Midwifery A&P (1 decks)

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