TEAS 7 NURSE HUB

Which of the following structures is correctly paired with its function?

Mouth- mechanical digestion

Which of the following is the basic contractile unit of the skeletal muscle?

Sarcomere

Which of the following correctly describes the difference between compact bone and spongy bone?

Spongy bone is lighter than compact bone

Which of the following comparisons between arteries and veins is true?

Veins have valves, and arteries do not.

largest organ on the body

skin

The majority of nutrient absorption occurs in the _________________.

small intestine

Function of integumentary system?

store fat

What cells protect against UV radiation? (ON TEAS)

stratum Basale

Bone to muscle? (ON TEAS)

tendons

Kidneys→ bladder? (ON TEAS)

ureters

carries sperm and urine

urethra

Sunlight damages epithelial cells but limited exposure to UV radiation results in (ON TEAS)

vitamin D

Which of the following does not describe a sarcomere?

It completely surrounds the muscle fiber.

Which would be the approximate mass of a car?

1,800 kg

Name 5 main steroid Hormnones

1. Estrogen2. Progesterone3. Testosterone4. Aldosteone5. Cortisol

Simple replacement reaction?

AC+B

Which of the following is the most plausible sequence of events?

Born into musical family; grows up around music; starts learning guitar; plays concert

Balance the following chemical equation: CH4 + Cl2 → CCl4 + HCl

CH4 + 4 Cl2 → CCl4 + 4 HCl

CO2 & blood pH levels during hyperventilation?

CO2 decrease, increase in blood pH

Metabolism? (ON TEAS)

Cellular respiration

Which of the following is the most accurate description of the link between chromosomes and DNA?

Chromosomes include numerous genes, each of which is made up of a DNA sequence.

Results only partly support hypothesis? (ON TEAS)

Consider other researchers biases

What is the difference between Endocrine and Exocrine?

Endocrine: product goes to the blood (Hormone)Exocrine: Product goes to a membrane surface ( sweat, digestive enyzymes, Saliva etc)

Which of the following hormones is not increased in plasma during dehydration?

Erythropoietin

Cause of cell differentiation is that diff cells...

Express alternate genetic info

Which of the following statements about diffusion is true?

Gas exchange in tissues is an example of diffusion. Osmosis is an example of diffusion. Diffusion is the net movement of molecules or atoms from a region of higher concentration to a region of lower concentration.Diffusion is a passive process

A lipid or fat molecule can be broken down into fatty acids and

Glycerol

Which of the following antigen-specific immune cells produce cytokines, which facilitate various immune reactions?

Helper T-cell

Which of the following is a function of the epidermis?

It protects underlying tissue from chemicals. It functions as a major component of the innate immunity It protects underlying tissues from abrasions.

Which of the following correctly describes the law of segregation?

It states that allele pairs segregate during gametogenesis and reunite randomly during the fertilization process.

Which of the following prefixes would likely be the most appropriate for measuring the weight of a 2,500 g kitten?

Kilo

Taxonomy, large→ small?

Kingdom, phylum, class, order, family, genus, species

Which of the following causes bone matrix resorption during bone growth and remodeling?

Osteoclasts

Melatonin is the hormone that regulates sleep-and-wake rhythm. Which of the following endocrine glands is responsible for producing melatonin?

Pineal

In which segment of the nephron is glucose reabsorbed?

Proximal convoluted tubule

Which of these is a function of a ribosome?

Ribosomes can decode mRNA and assemble amino acids for protein synthesis.

Which of the following does not describe the dermis?

The layer of the skin where cells containing the pigment melanin are found

Which of the following statements is true about protons?

The number of protons in the nucleus is the defining property of an element.

Which of the following statements is true about hydrogen bonds?

They form between a partial positively charged region on one molecule and the partial negatively charged region on another molecule

T-lymphocytes mature and become functional in which of the following organs?

Thymus

Why are control groups used in experiments?

To minimize the effect of variables

Which of the following correctly describes anatomical position?

Upright, arms at sides, palms facing anteriorly

The number of protons is the same as?

atomic number

protons

atomic number

What stores urine before excretion?

bladder

What part of the kidney contains the glomerulus of a nephron?

cortex

Matter where components can't be broken down into smaller parts?

elements

Hormone produced in ovaries?

estrogen

What integumentary system produces sweat?

exocrine gland

Break down of ____ started in the s intestine

fats

Name 10 basic Endocrine Organs

1.Pituitary Gland (releases 9 hormones (ACTH, TSH,FSH, LH, MSH, PRL, GH, ADH, Oxytocin)2. Pinneal Gland- Releases Melatonin3.Thyroid Gland- Releases Thyroxine (T3/T4)4. Parthyroid Gland- Releases Parathyroid Hormone (PTH)5. Thymus Gland- Releases Thymosine6. Adrenal Glands- Releases Cortisol, Aldosterone, Testosterone7. Pancreas- Releases Insulin and Glucagon8. Ovaries- Releases Estrogen and Progesterone9. Testes- Releases Testosterone10. Placenta- Releases Progesterone

Which of the following is not true about thermoregulation?

Contraction of arrector pili muscles facilitates vasodilation.

The genotypes of the parents in the Punnett square below can be described as

Heterozygous dominant and homozygous dominant

Which of these bonds would we see between nitrogenous bases?

Hydrogen

Adipose tissue, classified as a loose connective tissue, is found in which of the followinglayers of the integumentary system?

Hypodermis

Which of the following is a hypothesis?

If a student gets more sleep, they will get a higher test score.

Enzymes are biological catalysts that ___________.

Increase the rate of any given reaction

Which of the following is true of insulin and glucagon?

Insulin and glucagon regulate the level of glucose in the blood. The pancreas secretes insulin and glucagon.Insulin and glucagon have opposite effects on blood glucose but work together to maintain homeostasis.

How does insulin lower blood sugar?

Insulin binds to receptors on cells, allowing glucose to enter.

Which of the following is not true about reproductive hormones?

LH (luteinizing hormone) is produced by the posterior pituitary gland.

Using the provided image, choose the anatomical structure designated by letter B.

Left atrium

Which of the following is the process by which gametes divide and produce half the number of chromosomes found in a somatic cell?

Meiosis

Which of the following is correct about muscle contraction?

Muscle contraction requires ATP. Neurotransmitters stimulate muscle contraction.Sarcomere shorten during contraction. Actin and myosin filaments slide past each other.

What is the correct sequence in which inhaled air passes through the respiratory tract?

Nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles

The respiratory system is composed of organs that facilitate gas exchange between the blood and the external environment. Which of the following describes the group of organs that function during gas exchange?

Organ System

Movement of molecules in a substance depends on _______ energy.

heat

Gas exchange between the blood and alveoli would be enhanced by ______________, but impeded by __________________.

increased alveolar surface area; increased membrane thickness

Organelles release energy in food?

mitochondria

Sesamoid bones?

patella

Lungs are covered by membrane...

pleura

What produces ammonia by deamination in the liver?

proteins ( amino acids )

The _________________ is the blood vessel that carries oxygen depleted blood away from the heart.

pulmonary artery

Kidneys remove ___ from blood?

salts

Which of the following is a substance that the kidneys remove from the blood during filtration?

salts