18 A pathogen is a disease-causing organism, but not all pathogens are alike. So

Question

18 A pathogen is a disease-causing organism, but not all pathogens are alike. Some pathogens are more dangerous than others. When describing the relative ability of a pathogen to cause disease, we are considering its ________.

Select one:

a. pathogenicity

b. emergence

c. virulence

d. infectivity

19 Pinocytosis is the process whereby cells engulf pathogens and foreign substances.

Select one:

True

False

25 Because the sinoatrial node sends out impulses that initiate each heartbeat, it is often referred to as the pacemaker of the heart.

Select one:

True

False

26 Pathogens are disease-causing organisms that invade a person's body.

Select one:

True

False

28 The lowest blood pressure that occurs when the ventricles are relaxing is known as ________.

Select one:

a. diastolic pressure

b. systolic pressure

c. aneurysm

d. arterial pressure

30 Which protein transports oxygen in the bloodstream?

Select one:

a. hemoglobin

b. erythropoietin

c. plasminogen

d. thrombin

35 The attachment point of a muscle to a bone that can move is called the ________.

Select one:

a. synergistic

b. insertion

c. antagonistic

d. origin

47 Which hormone causes calcium to be released from bone into the bloodstream?

Select one:

a. parathyroid hormone (PTH)

b. calcitonin

c. Boniva

d. estrogen

49 Some of these blood proteins are antibodies.

Select one:

a. albumins

b. globulins

c. fibrins

d. glucoses

Explanation / Answer

18.A pathogen is a disease-causing organism, but not all pathogens are alike. Some pathogens are more dangerous than others. When describing the relative ability of a pathogen to cause disease, we are considering its virulence

19.false
?25.true

26.true

28.The lowest blood pressure that occurs when the ventricles are relaxing is known as diastolic pressure

30.hemoglobin

35.The attachment point of a muscle to a bone that can move is called Insertion of a muscle.

47.parathyroid hormone (PTH)

49.globulins

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.