PBS Principles of Biomedical Science PLTW Mrs.McCormick WCHS Final Exam

What forms of documentation is used at the scene of a mysterious death?

Notetaking, sketching, photography, and videography

Why is a baseline data for a polygraph test important?

To know what to compare experimental data to

What is the function of plasma?

Carry cells, nutrients, and wastes

What antibodies are present in each blood type?

A: Anti-B

B: Anti-A

AB: None

O: Anti-A and Anti-B

What antigens are present in each blood type?

A: A antigen

B: B antigen

AB: A and B antigens

O: None

What blood types are compatible with each blood type?

A: A, O

B: B, O

AB: A, B, AB, O

O: O

What is the backbone of DNA?

Sugars and phosphates

What is the cause of death?

The specific injury

What is the mechanism of death?

What happens in the body to cause death

What is the manner of death?

Circumstances such as homicide, natural, accidental, or suicide

Function of endocrine system

Regulate body temperature, metabolism, development and reproduction, maintains homeostasis, regulates other organ systems

Order of food through digestive system

Oral cavity→ esophagus→stomach→small intestine→ large intestine→ rectum→ anus

Forensic chemist

Tests substances found (pills, powders, etc.)

Forensic toxicologist

Tests for substances in the blood

Function of the frontal lobe

Controls higher executive functions like emotional regulation, planning, reasoning, and problem solving

Function of parietal lobe

Processes information about temperature, taste, touch, and movement

Function of the occipital lobe

Primarily responsible for vision

Function of the temporal lobe

Processes sensory information, particularly important for hearing, recognizing language, and forming memories

Function of nervous tissue

Sends signals, receives, interprets, and responds to signals

Function of epithelial tissue

Absorb, secrete, protect, and sense

Epithelial tissue involves what?

The skin, lining of organs, and blood vessels

Muscle tissue involves what?

Cardiac, smooth, and skeletal muscle

Connective tissue involves what?

Bone, blood, fat, cartilage, tendons, and ligaments

What artery is the only one that carries deoxygenated blood?

Pulmonary arteries

What veins are the only veins that carry oxygenated blood?

Pulmonary veins

What wall of the heart is thicker?

The wall of the left ventricle

Is hypertension high or low blood pressure?

High

Order of energy use from biomolecules

1. Carbohydrates

2. Lipids

3. Proteins

Insulin

A hormone produced in the pancreas which regulates the amount of glucose in the blood

Glucagon

A hormone formed in the pancreas which promotes the breakdown of glycogen

What process of protein synthesis is first?

Transcription (in the nucleus, makes mRNA)

What process of protein synthesis is last?

Translation (in the cytoplasm on ribosome, makes amino acid chain or protein)

Normal blood pressure

Less than 120/80

Elevated blood pressure

120-129/less than 80

Hypertension stage 1

130-139/80-89

Hypertension stage 2

140/90 or higher

Hypertensive crisis

higher than 180/120

Hematocrit

The proportion, by volume, of blood that is made up of red blood cells

BUN/Creatinine

Waste products filtered out of the blood by the kidneys. Levels give an indication of how well the kidneys are functioning

Familial hypercholesterolemia (FH)

An autosomal dominant genetic condition that causes LDL cholesterol levels to be very high