Teas 7 Science

The internal aspect of the Innate immune system

Inflammation,production of interferon, and ingestion pathogens by phagocytes are non-specific cellular responses by which of the following

memory cells

What feature of the adaptive immune system decreases the amount of time for the body to respond to a particular antigen?

The ventricles will not contract

Which of the following occurs in the cardiac cycle if the impulse triggered at the sinoatrial node never reaches the Purkinje fibers of the heart

A slowly initiating but prolonged response on other body systems

The endocrine system is a collection of ductless glands that produce which of the following responses?

Pancreas

Which of the following glands has an exocrine function and aids in the regulation of blood glucose

Dermis

middle layer of skin

Hypodermic

Deepest layer of the skin

Epidermis

Outer layer of skin

Vitamin D

Which of the following is produced by the skin on a cholesterol-based precursor is modified by the presence of ultraviolent radiation

Renin

An enzyme released by the kidneys when reduced blood pressure is detected by baro receptors in aorta and carotid arteries

Osteoclasts

Bonecells that performs mineral resorption

medullary cavity

Yellow bone marrow is located within which of the following

Gametes

Vasdeferens is a tube that carries sperm ,which is ???

What leaves the body via the vasdeferens

Salutary conduction

Term used to describe an action potential jumping from node to node in an axon

temporal summation

Describes one way to create an action potential

Reverberation

a signal traveling through a chain of neurons

Ricocheting

Refers to to passing an electrical impulse from one nerves to another

Codon

Is a triplet of a messenger RNA Nucleotides that codes for an amino acid

Nucleotide

monomer of DNA and RNA

template strand

Sequence of bases on a strand of DNA that is used to form a complementary mRNA molecule

Complementary strand

Is a molecule of RNA from the template strand

They facilitate protein synthesis

Which of the following statements describes the function of ribosomes?

Smooth Endoplasmic Reticulum

Site of lipid production and storage

Mitochondria

Cell structure that change food energy into cell energy

Mass

Atomic mass a decimal because it is the average mass of all isotopes for a particular element

Protons

The atomic number of an element is the number of protons in its nucleus

positive

An atoms that has lost an electron becomes ...

Cation

An atom that has lost an electron and becomes positive

Bowling point diagram

Only a dressed the boiling point of one or more substances

phase diagram

Can be used to predict states of substances under certain combinations of temperature and pressure

Neutrons in its nucleus

The number of which of the following particles will differ for each isotope of the same element?

"SI units" are part is standard system of measurement that is used in science

Which of the following is true about SI UNITS

Mass

An analytical Balance measures

A beaker measures

volume

A graduated pipette measures

Volume

Thermometer measures

temperature,Kelvin

Independent variable

Manipulated to see what if any effect it has on the dependent variable

dependent variable

It's is the result that is observed and assessed

The data in an experiment

What stimulates the production of antibodies

vaccine

What occurs during tubular reabsorption

Useful material moves from filtrate back into the bloodstream

Which of the following structures of the heart contains oxygen-rich blood?

pulmonary veins

Which of the following liquids, emulsifies lipids during digestion

bile

Which of the following terms refers to the involuntary waves of contractions in the digestive system that move food through the gastrointestinal tract

Peristalsis

Which of the following terms refers to the part of the nervous system that causes skeletal muscle contractions

Somatic Division

The somatic division controls the skeletal muscles of the body.

Which of the following hormones is released and stimulates uterine contractions during childbirth?

oxytocin

Which of the following is a mechanism that stimulates glandular secretions to continue to increase temporarily pushing levels further out of homeostasis until a particular biological effect is reached

positive feedback

Which of the following provides a practical means of warming the body via integumental thermoregulation

cutaneous vasoconstriction

Which of the following is a result of inhibited Osteoblasts function at the epiphyseal plate

Mineralization will not occur in this location

If mineral reabsorption is prevented, and calcium is not removed from bone which of the following occurs

The resulting pathology is called hypocalcemia

Which of the following terms refers to the small passages of the respiratory system that terminate in air sacs

bronchioles

Which of the following scenarios would result in a human zygote containing 47 chromosomes instead of the typical 46

chromosomes do not separate properly during meiosis

Which of the following describes the function of acetylcholine in a neuromuscular junction

Which of the following is considered the fundamental contraction unit of striated muscle

sarcomere

According to the sliding filamentary which ion binds with troponin on the Actin myofilaments , causing the myosin binding sides to be exposed

Which of the following macromolecule groups contains enzymes?

proteins

At which of the following sites is genetic information translated into a sequence of amino acids that make up protein

ribosome

Where is the information stored in DNA?

nitrogenous bases

In Mendelian inheritance which of the following is a condition of an F1 Monohybrid cross

A cross is made between parents that are heterozygous at one specific gene

Which of the following processes occurs within the cell nucleus

Transcription producing mRNA

Which of the following cell types can differentiate to become several other types of cell?

Stem cells

Viral DNA that has been inserted into the host. DNA would be found in which of the following.

nucleus

Which of the following is a unique feature of mitosis

production of identical daughter cells

Which of the following factors affects an enzymes ability to work as a catalyst

Amount of substrate available

The location in the enzyme where the substrate is worked upon is called the active site. Only substrates that fit into this active site can be worked upon by the enzyme.

Which of the following measurements are based on SI units?

Decigram

*Decigram is an SI unit. "Deci" is a prefix used with the base SI unit "gram".

Which of the following terms refers to the transition from liquid to gas with or without acquiring the thermal energy to reach boiling point

evaporation

True

The pulmonary artery contains oxygen poor blood

What type of oxygen does the aorta contain?

Oxygen rich blood

What pH level of a substance is considered basic

greater than 7

What pH level of substances is considered acidic