Lesson 1 Flashcards
(31 cards)
`What is the function of amylase in the body?
It breaks down starch into simpler sugars.
A child gets a cut on his finger. Swelling occurs at the site to increase blood flow and bring phagocytes to the injury to destroy any foreign cells that may have been introduced. This response describes which type of immunity?
innate
The innate immune system responds quickly to general threats, such as the one described in the question. Adaptive immunity is built up over time as the body learns to recognize specific pathogens and target them for destruction.
The Peripheral Nervous system includes what?
. Peripheral Nerves
. Spinal Nerves
. Cranial Nerves
The does the Central Nervous system contain?
.Brain
.Brain stem
.Spinal Cord
In a negative feedback loop, if a variable INCREASES past its normal range, what happens
. The variable will be reversed until it is within the normal range
What is negative feedback within the body?
Negative feedback is a mechanism used by the body, that returns variables back to their normal ranges or set points
What parts of the Peripheral nervous system is under voluntary control?
The somatic nervous system
What hormones increases Uterine contractions?
Oxytocin
What is released when blood glucose is too low?
Glucagon
Which of the following are examples of homeostatic mechanisms?
- Consuming excess calories to gain weight
- Lifting weights to increase muscle mass
- Shivering when the body temperature falls
- Secreting insulin to decrease blood sugar concentration
- Increasing heart rate when blood pressure is low
- Shivering when body temperature fails
- Secreting insulin to decrease blood sugar concentration
- Increasing heart rate when blood pressure is low
Homeostasis is defined as:
Tendency of the body to maintain a stable environment
Where is the gastrocnemius vein in relation to the femoral vein?
Distal
Which is not a type of protein?
Fibrous
Membrane
Globular
Unsaturated
Unsaturated
The adipocytes are responsible for what?
The adipocytes are responsible for storing the fat that is found in adipose tissue
Where does blood flow next after being oxygenated in the lungs?
Pulmonary vein
Liver vs kidneys
Liver detoxifies and kidneys filter
- What organic molecule contain both an amine and carboxyl group?
Proteins
What is the chemical formula for water?
H20
What tool can be used to measure the turbidity of a liquid by measuring the transmission of light through the sample?
Spectrophotometer
What are the three types of salivary glands?
Parotid, sublingual, and submandibular
Which immune system molecules creates holes in the cell membranes of their target cells in order to destroy the cell?
Perforins
What is the difference between a solid and a liquid?
Solids have a definite shape and volume while liquids have a definite volume but no fixed shape.
What is a protein present in blood plasma?
Fibrinogen
The pleura is a connective tissue sheath that covers what organs?
Lung