Science Flashcards
The a&p, chemistry, and data part
Which of the following is used to describe the amount of air in a normal inhalation or exhalation?
A) perfusion
B) Tidal Vol.
C) Residual vol.
Tidal volume
**What action is the ANS engaged in?
A) Lifting weights
B) holding breath
C) walking
D) Digestion
Digestion
**Which blood vessels carry deoxygenated blood?
A) pulmonary vein
B) pulmonary artery
Pulmonary artery
This artery carries deoxygenated blood from the right ventricle.
During inhalation, where do you expect to find a higher concentration of oxygen?
the alveolar air space
Where does blood flow next after being oxygenated in the lungs?
pulmonary vein
Blood from lungs is oxygenated; The pulmonary circulation
What is the name of the structure that releases an enzyme that breaks down starch in the mouth?
A) liver
B) gallbladder
C) salivary gland
salivary gland
What type of tissue would you find in the heart?
Cardiac muscles
Contracts involentarily;
When does fertilization happen in the mensuration cycle?
After LH levels peak and begin to decline
The peak before ovulation (the release of mature egg)
Which male hormone is responsible for male secondary sex characteristics?
Testosterone
Which would result from the following decrease in body temperature?
A) blood vessels dilate
B) blood vessels near surface of body constrict
C) cheeks become more flushed
B) Blood vessels near the surface of the body would constrict
Maintains core temperature
Where are melanocytes found in the skin? (which layer?)
Epidermis
Aka. melanin; helps protect cells bellow this layer.
Which is an immediate result of the adrenal gland releasing epinephrine into the blood?
increase in heart rate or muscle growth?
Increase in heart rate
The fight-or-flight response; durring stress
what organ in the body releases insulin and glucagon?
pancreas
which substance contains urea, water, salts, and waste and is released through the urethra?
urine
which of the following is a nonspecific barrier of the immune system?
A) mucus
B) antibodies
C) B-cells
mucus
Can also be found in lungs; prevents pathogens from entering
what disease is caused by a virus that infects T cells?
Acquired immune deficiency syndrome (AIDS)
Aka. HIV; kills T cells; without T cells = disease easier to catch
Which function is an example of how the skeletal and neuromuscular system work together?
body movement
What is the order of anatomical** subregions in the anterior view of the upper limbs**?
(1 through 5)
- Brachium
- Antecubital
- carpal
- phalanges
1. upper limb; 2.front elbow; 3.wrist; 4. fingers
Which is a carbohydrate?
Glycogen or amylase?
glycogen
What best describes the relationship between a chromosome and a gene?
Each chromosome contains a single gene or each gene contains its own chromosome?
Trick question! Each chromosome contains a specific number of genes
DNA is a foundation of genes, therefore in chromosomes
A purple flower and a white flower was crossed. The allele for purple is dominant; white is recessive.
Of 1000 of-spring were** 498 purple flowers and 502 white flowers. **
Based on these results, what can be concluded about the parent plants?
The purple flowered pea plant is heterozygous.
Purple is dominant, but NOT expressed in ALL 1000 purpleoffsprings
Which cell structure contains cristae?
mitochondria
The internal folded membrane; site of cellular respiration
What is the function of plasma membrane?
maintains cell internal environment
What alleles are possible off-spring outcome for parents with type A blood?
IA and IA,
IA and i,
and i and i
Allele for type A: IA, IA & IA, and i; AA or AO
What microscopes uses something other than light to form a specimen image?
electron
this beams electrons into a specimen
What microscopic organism causes many skin disease and is also a decomposers?
fungi
causes skin disease like ring worm or athletes foot
What subatomic particles make up an atom?
protons and neutrons have about the same mass and can be found in the nucleus
electrons have a smaller mass and not found in atom’s nucleus