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Human Body (BIOL 1047) > Week 1 > Flashcards

Week 1 Flashcards

1
Q

A structure that is composed of two or more tissues would be:

Select one:

a. a complex tissue
b. an organ
c. a complex cell
d. an organ system

A

b

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2
Q

Humans have the most urgent need for a continuous supply of

Select one:

a. oxygen
b. water
c. food
d. Nitrogen

A

a

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3
Q

Select the option that shows increasing complexity levels:

Select one:

a. cellular, tissue, organ system, organ
b. cellular, tissues, organ, organ system
c. tissue, organ, organ sytem, cellular
d. organ, tissue, cellular, organ system

A

b

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4
Q

Histology is the study of?

Select one:

a. tissues
b. cells
c. systems
d. organs

A

a

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5
Q

Which of the following would be an example of positive feedback?

Select one:

a. Release of glucagon to increase a below normal level of glucose in the blood
b. Release of insulin to decrease a high level of glucose in the blood
c. Release of oxytocin to increase the strength of labor contractions
d. Shivering to generate heat in a situation where body temperature is below normal

A

c

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6
Q

Which of the following is a structural and functional unit of the human body?

Select one:

a. cell
b. tissue
c. organ
d. organ system

A

a

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7
Q

The liver is part of:

Select one:

a. reproductive system.
b. digestive system.
c. respiratory system.
d. endocrine system

A

b

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8
Q

Which choice below is NOT one of the three components of homeostatic control systems?

Select one:

a. Receptor (senses the change)
b. The effector
c. Stimulus (cause of the initial change)
d. The control center

A

c

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9
Q

Homeostatic imbalance has occurred when a:

Select one:

a. person becomes ill.
b. person’s breathing rate increases as a result of exercise.

c. person sweats as a result of being hot.
d. person shivers as a result of being cold.

A

a

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10
Q

The respiratory system contains the:

Select one:

a. kidneys, ureters, and bladder.
b. trachea, bronchi, and lungs.
c. pituitary, pineal, and thyroid glands.
d. liver, small intestine, and colon.

A

b

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11
Q

Which of the following is NOT a necessary human life function?

Select one:

a. Responsiveness
b. Intelligence
c. Metabolism
d. Excretion

A

b

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12
Q

Which one of these is an example of positive feedback system?

Select one:

a. blood pressure control
b. temperature control
c. blood sugar control
d. blood clotting process

A

d

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13
Q

A group of similar cells that perform the same function is classified as a(n) ——.

Select one:

a. organ
b. tissue
c. organism
d. organ system

A

b

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14
Q

Which of the following is a logical organisation?

Select one:

a. atoms, cells, molecules, tissues
b. molecules, atoms, cells, tissues
c. atoms, tissues, molecules, cells
d. atoms, molecules, cells, tissues

A

d

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15
Q

During exercise the body cools itself by sweating. Sweating in response to an elevated body temperature is an example of what process?

Select one:

a. metabolism
b. negative feedback
c. positive feedback
d. movement

A

b

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16
Q

Which of the following events is not the result of a negative feedback mechanism?

Select one:

a. Sweating to help lower elevated body temperature
b. An increased respiratory rate when blood pH is decreased
c. Blood clotting when the lining of a blood vessel is injured
d. Decreased urine production when the blood pressure drops

A

c

17
Q

Which of the following body systems acts as a fast-acting control system for the body?

Select one:

a. Endocrine
b. Respiratory
c. Skeletal
d. Nervous

A

d

18
Q

What are the four elements that makes up 96% of our body?

Select one:

a. carbon, nitrogen, zinc, potassium
b. carbon, oxygen, hydrogen, nitrogen
c. carbon, oxygen, hydrogen, sodium
d. carbon, calcium, hydrogen, nitrogen

A

b

19
Q

Which of the following body systems is most involved in responsiveness?

Select one:

a. muscular system
b. digestive system
c. nervous system
d. reproductive system

A

c

20
Q

What is the definition of homeostasis?

Select one:

a. The ability to maintain relatively stable external conditions even though the inside world changes continuously
the ability to maintain relatively stable external conditions even though the inside world changes continuously

b. when the outpur shuts off the original effect of the stimulus
c. the response enhances the original stimulus so that the response is accelerated or inhibited
d. the ability to maintain relatively stabale internal conditions even through the outside world changes continuously

A

d

21
Q

The study of drug properties, composition and medical applications is called?

Select one:

  1. Zoology
  2. Histology
  3. Pharmacology
  4. Ecology
A

3

22
Q

Which one of the following statements is correct?

Select one:

  1. first-pass metabolism is a phenomenon of drug metabolism whereby the concentration of a drug is greatly increased before it reaches the systemic circulation
  2. Sublingual drug administration, drug must remain under the tongue until dissolved
  3. Sublingual drug administration, drug must be swallowed quickly
  4. first-pass metabolism is a phenomenon of drug metabolism whereby kidney excretes the drug completely from the body
A

2

23
Q

Drugs on which people become dependent are called?

Select one:

  1. Pharmaceutical Drugs
  2. Industrial Drugs
  3. Addictive
  4. Single Cell Drugs
A

3

24
Q

Illicit drug means

Select one:

  1. Drugs that are sold in Chemists
  2. Those that illegal to make/sell/use
  3. Drugs are prescribed to patients
  4. Drugs that can be bought over the counter
A

2

25
Q

Pharmaco-dynamics is:

Select one:

  1. The effects of drugs on the liver
  2. The effect of drug on the body
  3. How the body metabolises the drug
  4. Both 1 and 2 are correct
A

2

26
Q

Factor/s which may affect drug absorption:

Select one:

  1. Molecular size
  2. All the above
  3. Dosage
  4. Lipid water solubility
A

2

27
Q

Therapeutic range can be defined as:

Select one:

  1. The dosage range expected to achieve higher therapeutic effects
  2. None of the above
  3. The dosage range expected to achieve desired therapeutic effects
  4. The dosage range expected to achieve lower therapeutic effects
A

3

28
Q

An Agonist is?

Select one:

  1. A drug that blocks the receptors without activating them
  2. A drug that initiates the receptor to inhibit the biological reaction
  3. A drug that initiates the receptor to activate the biological reaction
  4. A drug that excites the receptors without activating them
A

3

29
Q

Oral doses of medications are generally higher than intravenous (IV) does because:

Select one:

  1. They metabolise more quickly
  2. IV drug preparations are more potent
  3. They undergo the first pass effect
  4. They undergo more protein binding
A

3

30
Q

The range of plasma drug levels between the minimally effective dose and the toxic
concentration is known as the:

Select one:

  1. Therapeutic range
  2. Range of maximal efficacy
  3. Tolerance index
  4. Dose index
A

1

Human Body (BIOL 1047) (3 decks)

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